const formatTime = date => {
  const year = date.getFullYear()
  const month = date.getMonth() + 1
  const day = date.getDate()
  const hour = date.getHours()
  const minute = date.getMinutes()
  const second = date.getSeconds()

  return [year, month, day].map(formatNumber).join('/') + ' ' + [hour, minute, second].map(formatNumber).join(':')
}
const formatDate = (date, fmt) =>{
  console.log(date);
  var o = {
    "M+": date.getMonth() + 1, //月份
    "d+": date.getDate(), //日
    "h+": date.getHours(), //小时
    "m+": date.getMinutes(), //分
    "s+": date.getSeconds(), //秒
    "q+": Math.floor((date.getMonth() + 3) / 3), //季度
    "S": date.getMilliseconds() //毫秒
  };
  if (/(y+)/.test(fmt)) fmt = fmt.replace(RegExp.$1, (date.getFullYear() + "").substr(4 - RegExp.$1.length));
  for (var k in o)
    if (new RegExp("(" + k + ")").test(fmt)) fmt = fmt.replace(RegExp.$1, (RegExp.$1.length == 1) ? (o[k]) : (("00" + o[k]).substr(("" + o[k]).length)));
  return fmt;
}
const formatNumber = n => {
  n = n.toString()
  return n[1] ? n : '0' + n
}
const  getCurrentMonthFirst=()=> {
  var date = new Date();
  date.setDate(1);
  var month = parseInt(date.getMonth() + 1);
  var day = date.getDate();
  if (month < 10) {
    month = '0' + month
  }
  if (day < 10) {
    day = '0' + day
  }
  return date.getFullYear() + '-' + month + '-' + day;
}
const  getCurrentMonthLast=()=> {
  var date1= new Date();
  var date2 = new Date(date1);
  date2.setDate(date1.getDate() + 30);
  return date2.getFullYear() + "-" + (date2.getMonth() + 1) + "-" + date2.getDate();
  
}


module.exports = {
  formatTime: formatTime,
  formatDate: formatDate,
  getCurrentMonthFirst: getCurrentMonthFirst,
  getCurrentMonthLast: getCurrentMonthLast
}
